Radyne DM240XR Spécifications télécharger pdf (Page 80)

DM240XR High-Speed Digital Modulator Rear Panel Interfaces

MN-DM240XR– Revision 13 5–10

Table 5-6. DVB RS-422 Parallel, 25-Pin Female

Pin No. Signal Name Direction

21 D2 - Input

22 D1 - Input

23 D0 - Input

24 DVALID - Input

25 SYNC - Input

5.12.4 Parallel LVDS Interface

This interface is identical to the Parallel RS-422 Interface except that it complies with the LVDS

Electrical Specification.

5.12.5 HSSI Interface

The HSSI (High-Speed Serial Interface) complies with the HSSI Functional and Electrical

Specifications. The physical interface is a 50 Pin SCSI-2 Type Connector. Electrical levels are

ECL. The pin outs for this interface are listed in Table 5-9.

Table 5-9. HSSI (High-Speed Serial Interface) 50-Pin Connector

Pin No. (+) Pin No. (–) Signal Name Description Direction

1 26 SG Signal Ground ---

2 27 RT Receive Timing Output

3 28 CA DCE Available Output

4 29 RD Receive Data Output

5 30 LC Loopback Circuit C Output

6 31 ST Send Timing (SCT) Output

7 32 SG Signal Ground ---

8 33 TA DTE Available Input

9 34 TT Terminal Timing (SCTE) Input

10 35 LA Loopback Circuit A

Input

11 36 SD Send Data Input

12 37 LB Loopback Circuit B Input

13 38 SG Signal Ground ---

14 - 18 39 – 43

5 Ancillary to

DCE

Reserved Input

19 44 SG Signal Ground ---

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 195 196

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Radyne DM240XR Spécifications Page 80